html,
body {
  padding: 0;
  margin: 0;
  font-family: sans-serif;
}

* {
  box-sizing: border-box;
}

ul,
li {
  margin: 0;
  padding: 0;
}

main {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background-color: #1e272e;
}

ul {
  width: 500px;
}

li {
  list-style: none;
  color: #d2dae2;
  font-size: 18px;
  margin: 48px 0;
  position: relative;
}

li::before,
li::after {
  content: "";
  display: block;
  height: 16px;
  width: 100%;
  background-color: #1f4a59;
  position: absolute;
  bottom: -28px;
  border-radius: 6px;
}

li::before {
  box-shadow: 0 0 6px rgba(75, 207, 250, 0.2);
}

li::after {
  background-image: linear-gradient(90deg, #0fbcf9, #34e7e4);
}

li::after {
  animation-duration: 1.2s;
  animation-fill-mode: forwards;
  animation-timing-function: ease-in-out;
}

.js::after {
  animation-name: js;
}

.react::after {
  animation-name: react;
}

.html5::after {
  animation-name: html5;
}

.css3::after {
  animation-name: css3;
}

.sketch::after {
  animation-name: sketch;
}

@keyframes js {
  from {
    width: 0;
  }
  to {
    width: 90%;
  }
}

@keyframes react {
  from {
    width: 0;
  }
  to {
    width: 80%;
  }
}

@keyframes html5 {
  from {
    width: 0;
  }
  to {
    width: 70%;
  }
}

@keyframes css3 {
  from {
    width: 0;
  }
  to {
    width: 60%;
  }
}

@keyframes sketch {
  from {
    width: 0;
  }
  to {
    width: 50%;
  }
}
